The Marquis of Villena was a noble title in Spain, established in the late 15th century. It was granted to the powerful House of Villena, which played a significant role in the political landscape of the time. The title was associated with various estates and lands, primarily in the region of Castile. Throughout history, the title has been held by several notable figures, including Don Juan Manuel, a prominent writer and military leader. The marquisate has since become a part of Spain's rich noble heritage, reflecting the complexities of its feudal system and the influence of the aristocracy in Spanish society.